config HMDFS_FS tristate "HMDFS filesystem support" help HMDFS is an overlay file system. Relying on the underlying file system, under the premise of networking, file exchanges across devices can be realized. Device view and merge view are provided. In the device view, the shared directories of the corresponding devices are provided under different device directories; in the merge view, acollection of shared files of all devices is provided. config HMDFS_FS_PERMISSION bool "HMDFS application permission management" depends on HMDFS_FS help HMDFS provides cross-device file and directory sharing. Only the same application can access the files and directories under the corresponding package directory. it provides management and control of access permissions. If unsure, say N. config HMDFS_FS_ENCRYPTION bool "HMDFS message encryption" depends on HMDFS_FS && TLS help HMDFS provides cross-device file and directory sharing by sending and receiving network messages. To ensure data security, TLS encryption is provided. If you want to improve performance, say N. config HMDFS_FS_DEBUG bool "HMDFS debug log" depends on HMDFS_FS help HMDFS print a lot of logs, but many of them are debugging information, which is actually unnecessary during operation. If there is a problem, it works. If unsure, say N.